SSM整合配置文件web.xml配置文件 spring整合mybatis配置文件 spring-mvc解决中文请求乱码

引入相关依赖

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>org.example</groupId>
  <artifactId>springssm</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <dependencies>
    <!--spring webmvc依赖-->
    <dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-webmvc</artifactId>
    <version>5.2.15.RELEASE</version>
    </dependency>
    <!--mybatis的依赖-->
    <dependency>
     <groupId>org.mybatis</groupId>
     <artifactId>mybatis</artifactId>
     <version>3.5.9</version>
     </dependency>
     <!--mysql驱动依赖-->
     <dependency>
     <groupId>mysql</groupId>
     <artifactId>mysql-connector-java</artifactId>
     <version>8.0.31</version>
     </dependency>
     <!--druid连接池-->
     <dependency>
     <groupId>com.alibaba</groupId>
     <artifactId>druid</artifactId>
     <version>1.2.8</version>
     </dependency>
     <!--spring和mybatis整合的依赖-->
     <dependency>
     <groupId>org.mybatis</groupId>
     <artifactId>mybatis-spring</artifactId>
     <version>2.0.7</version>
     </dependency>
     <dependency>
     <groupId>org.springframework</groupId>
     <artifactId>spring-jdbc</artifactId>
     <version>5.2.15.RELEASE</version>
     </dependency>

     <!--其他依赖-->
     <dependency>
     <groupId>javax.servlet</groupId>
     <artifactId>javax.servlet-api</artifactId>
     <version>4.0.1</version>
     </dependency>
     <dependency>
     <groupId>javax.servlet.jsp</groupId>
     <artifactId>jsp-api</artifactId>
     <version>2.2</version>
     </dependency>
     <dependency>
     <groupId>junit</groupId>
     <artifactId>junit</artifactId>
     <version>4.13.2</version>
     <scope>test</scope>
     </dependency>
     <dependency>
     <groupId>org.projectlombok</groupId>
     <artifactId>lombok</artifactId>
     <version>1.18.24</version>
     </dependency>
      
     </dependencies>
</project>

web.xml配置文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">

  <!--加载springmvc配置文件-->
  <servlet>
    <servlet-name>springmvc</servlet-name>
    <!--DispatcherServlet 是springboot 的核心入口组件，
      它是用来处理http 请求和处理的中央调度入口程序，
      为每一个web 请求提供方便的映射地址（API controller/method)和异常处理方式。-->
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
   <!--解析指定的配置文件-->
    <init-param>
      <!--配置上下文地址-->
      <param-name>contextConfigLocation</param-name>
      <!--加载spring mvc配置文件-->
      <param-value>classpath*:spring-mvc.xml</param-value>
    </init-param>
  </servlet>
  <!--定义映射关系-->
  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>

spring整合mybatis配置文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!--springmvc配置-->
    <!--1.包扫描-->
    <context:component-scan base-package="com.cjj"/>
    <!--2.注解驱动 扫描包下的注解以及Spring MVC用来提供Controller请求转发，json自动转换等功能-->
     <mvc:annotation-driven/>
     <!--3.静态资源放行 比如jq-->
     <mvc:default-servlet-handler/>
     <!--4.视图解析器-->
     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
     <property name="prefix" value="views/"/>
     <property name="suffix" value=".jsp"/>
     </bean>

 <!--mybatis配置文件-->
     <!--5.配置数据源-->
     <bean id="datasource" class="com.alibaba.druid.pool.DruidDataSource">
     <property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/>
     <property name="url" value="jdbc:mysql:///ssm?useUnicode=true&amp;characterEncoding=utf-8"/>
     <property name="username" value="root"/>
     <property name="password" value="123456"/>
     </bean>

     <!--6. SqlSessionFactory：理解为mybatis文件-->
     <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
     <property name="dataSource" ref="datasource"/>
     <!--指定mybatis映射文件的路径-->
     <property name="mapperLocations" value="classpath*:mapper/*.xml"/>
     <!--自动驼峰命名-->
      <property name="configuration">
       <bean class="org.apache.ibatis.session.Configuration">
        <property name="mapUnderscoreToCamelCase" value="true"/>
       </bean>
      </property>
     <!--起别名-->
      <property name="typeAliasesPackage" value="com.cjj.pojo,com.cjj.controller"/>
     </bean>

     <!--7.设置dao接口的代理实现类-->
     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
     <property name="sqlSessionFactoryBeanName" value="sessionFactory"/>
     <!--dao接口所在的包-->
     <property name="basePackage" value="com.cjj.dao"/>
     </bean>

 
</beans>

spring-mvc解决中文请求乱码问题，在web.xml文件中配置编码过滤器

<!--编码过滤器-->
<filter>
  <filter-name>encodingFilter</filter-name>
  <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
  <init-param>
    <param-name>encoding</param-name>
    <param-value>utf-8</param-value>
  </init-param>
</filter>
<filter-mapping>
  <filter-name>encodingFilter</filter-name>
  <url-pattern>/*</url-pattern>
</filter-mapping>

SSM整合 配置文件

SSM整合配置文件